Sand Blasting WHAT IS SAND BLASTING? Sandblasting is an abrasive media blasting process. A rapid flow of propulsion air carries media at a high rate of speed onto the surface... the substrate to be cleaned and/or stripped cannot be profiled. Hard media is used when the material is to be profiled. For many years silica sand was the most commonly used blasting... to be blasted, abraded, scoured, cleaned or profiled (in rapid succession) by breaking away small pieces of undesirable coatings, corrosion or other substances. It is the amount...